________ running '/usr/bin/python src/build/gyp_chromium' in '/home/bash/depot_tools'
Updating projects from gyp files...
Package gconf-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `gconf-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'gconf-2.0' found
Traceback (most recent call last):
  File "src/build/gyp_chromium", line 167, in <module>
    sys.exit(gyp.main(args))
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/__init__.py", line 445, in main
    options.circular_check)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/__init__.py", line 84, in Load
    depth, generator_input_info, check, circular_check)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 2174, in Load
    depth, check)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 421, in LoadTargetBuildFile
    includes, depth, check)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 421, in LoadTargetBuildFile
    includes, depth, check)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 421, in LoadTargetBuildFile
    includes, depth, check)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 379, in LoadTargetBuildFile
    build_file_path)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 966, in ProcessVariablesAndConditionsInDict
    build_file)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 981, in ProcessVariablesAndConditionsInList
    ProcessVariablesAndConditionsInDict(item, is_late, variables, build_file)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 940, in ProcessVariablesAndConditionsInDict
    ProcessConditionsInDict(the_dict, is_late, variables, build_file)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 817, in ProcessConditionsInDict
    variables, build_file)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 959, in ProcessVariablesAndConditionsInDict
    build_file, key)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 966, in ProcessVariablesAndConditionsInDict
    build_file)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 985, in ProcessVariablesAndConditionsInList
    expanded = ExpandVariables(item, is_late, variables, build_file)
  File "/home/bash/depot_tools/src/tools/gyp/pylib/gyp/input.py", line 652, in ExpandVariables
    (contents, p.returncode))
Exception: Call to 'pkg-config --cflags gconf-2.0' returned exit status 1. while loading dependencies of src/base/base.gyp while loading dependencies of src/app/app.gyp while loading dependencies of src/build/all.gyp while trying to load src/build/all.gyp
Error: /usr/bin/python src/build/gyp_chromium in /home/bash/depot_tools returned 1